import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-index',
  templateUrl: './index.component.html',
  styleUrls: ['./index.component.css']
})
export class IndexComponent implements OnInit {
  i = 20;
  j = 221;

  constructor() {


  }

  ngOnInit() {
  }

  test($event) {
    alert($event);
  }

}
